Extrema Ratio RAO Steel N690 knife
Extrema Ratio
Extrema Ratio, located in Prato, Italy has been designing, manufacturing and selling high-quality combat knives since 1997. The company gained a great reputation for excellence that is unsurpassed in the military and tactical industry. The company prides itself in design, material and quality to deliver a high end product that meets the most severe standards. The first class handwork and well-selected material have contributed to form the image of the Extrema Ratio trademark all over the world.
RAO STEEL is a compact, indestructible fixed-blade knife for trekking, survival, and camping. Its 5 mm full tang blade, customizable paracord grip, and ambidextrous Kydex sheath make it a reliable tool for cutting, carving, and precise camp tasks. Available in two versions: Nitrogen Satin, with high corrosion resistance and easy sharpening for humid conditions and food prep, and N690 Dark Stone, made from Böhler N690 steel with a stonewashed finish for durability and hard use. Built for those who rely on their gear anytime, anywhere.
Blade material
N690
Blade grind
Flat
Blade hardness
HRC 58
Blade coating / finish
Dark Washed
Sheath
Kydex
Weight:
4.586 oz
Overall length:
7.48″
Blade length:
3.43″
Blade thickness:
0.2″
Country of origin:
Italy
Lanyard hole, Full-Tang blade
Emission offsetting
Greener use of materials
Sources from nature
Because it's simple yet important
Lamnia's speciality is a selection of more than 5,000 knives and folding knives. We carry hundreds of Scandinavian knives, the famous Finnish Puukko knives among them, folding knives, hunting knives and kitchen cutlery from the world's best brands, such as Spyderco, Cold Steel, Böker, Fox Cutlery and Benchmade.